Key facts
- Jane Street's 13F filing showed 4,119,097 Strategy shares held as of September 30, 2026.
- The reported position was 53.8% larger than the prior filing, per Bitcoin Magazine's account of the filing.
Jane Street reported holding 4,119,097 shares of Strategy as of September 30, 2026, according to a 13F filing made public on November 12, 2026. Bitcoin Magazine, which reported the filing, said the position was 53.8% larger than the firm's prior reported holding.
A 13F is a quarterly disclosure that institutional investment managers file with the US Securities and Exchange Commission, listing the US-listed securities they hold at the end of the quarter. The filing shows a position at a point in time and does not show when the shares were bought or sold.